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The Crop Journal 2024年第3期12卷 880-887页

作者： Xiaoling Wang Jiawei Cao Runhong Sun Wei Liu Lin Qi Peng Song Shenjiao Yang College of Agronomy Henan University of Science and TechnologyLuoyang 471003HenanChina institute of Plant Protection Research Henan Academy of Agricultural SciencesZhengzhou 450099HenanChina Farmland Irrigation Research institute Chinese Academy of Agricultural SciencesXinxiang 453000HenanChina

A two-year field experiment conducted under dryland conditions in semi-humid and drought-prone regions of China aimed to assess the effect of ammonia-oxidizing bacterial on maize water use efficiency and yield.A heterotrophic ammonia-oxidizing bacteria(HAOB)strain S2_8_1 was *** treatments were applied:(1)no irrigation+HAOB strain(DI),(2)no irrigation+blank culture medium(DM),(3)no irrigation control(DCK),(4)irrigation+HAOB(WI),(5)irrigation+blank culture medium(WM),and(6)irrigation control(WCK).Results revealed that HAOB treatment increased maize growth,yield,and water use efficiency over controls,regardless of whether the year was wet or *** improvement was attributed to the accelerated nitrification in the rhizosphere soil due to HAOB inoculation,which subsequently led to increased levels of leaf ***,these findings suggest that HAOB inoculation holds promise as a strategy to boost water use efficiency and maize productivity in dryland agriculture.

关键词： Heterotrophic ammonia-oxidizing bacteria Rhizosphere soil nitrification Cytokinin Maize Dryland agriculture

Telomere-to-telomere genome assemblies of two Chinese Baijiu-brewing sorghum landraces

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Plant Communications 2024年第6期5卷 9-12页

作者： Jiandong Bao Heng Zhang Fulin Wang Lin Li Xueming Zhu Junfeng Xu Yao Wang Zhijian Liu Guowei Zhai Heng Xu Fucheng Lin Ying Zhu State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products Zhejiang Academy of Agricultural SciencesHangzhou 310021ZhejiangChina institute of Plant Protection and Microbiology Zhejiang Academy of Agricultural SciencesHangzhou 310021China institute of Virology and Biotechnology Zhejiang Academy of Agricultural SciencesHangzhou 310021China College of Advances agricultural Science Zhejiang A&F UniversityHangzhou 311300ZhejiangChin

Dear Editor,Sorghum(Sorghum bicolor[L.]Moench)(2n=20),a C4 droughttolerant cereal crop,is widely cultivated for food,feed,and biofuel,resulting in varieties with distinct morphological *** Sanger-sequencing-based sorghum reference genome of the inbred variety BTx623(grain sorghum)was initially released in 2009(base error<1 per 10 kb)(Paterson et al.,2009),and the most widely used version 3 assembly(base error<1 per 100 kb),consisting of 4773 contigs with 2679 unresolved gaps(~28 Mb)in 10 chromosomes,was improved by next-generation sequencing in 2017(McCormick et al.,2018).

关键词： Sorghum cultivated cereal

Variation Characteristics of Root Traits of Different Alfalfa Cultivars under Saline-Alkaline Stress and their Relationship with Soil Environmental Factors

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Phyton-International Journal of Experimental Botany 2024年第1期93卷 29-43页

作者： Tian-Jiao Wei Guang Li Yan-Ru Cui Jiao Xie Xing-Ai Gao Xing Teng Xin-Ying Zhao Fa-Chun Guan Zheng-Wei Liang Northeast agricultural Research Center of China Jilin Academy of Agricultural SciencesChangchun130033China Northeast institute of Geography and Agroecology Chinese Academy of SciencesChangchun130102China

Soil salinization is the main factor that threatens the growth and development of plants and limits the increase of *** is of great significance to study the key soil environmental factors affecting plant root traits to reveal the adaptation strategies of plants to saline-alkaline-stressed soil *** this study,the root biomass,root morphological parameters and root mineral nutrient content of two alfalfa cultivars with different sensitivities to alkaline stress were analyzed with black soil as the control group and the mixed saline-alkaline soil with a ratio of 7:3 between black soil and saline-alkaline soil as the saline-alkaline treatment *** the same time,the correlation analysis of soil salinity indexes,soil nutrient indexes and the activities of key enzymes involved in soil carbon,nitrogen and phosphorus cycles was carried *** results showed that compared with the control group,the pH,EC,and urease(URE)of the soil surrounding the roots of two alfalfa cultivars were significantly increased,while soil total nitrogen(TN),total phosphorus(TP),organic carbon(SOC),andα-glucosidase activity(AGC)were significantly decreased under saline-alkaline *** was no significant difference in root biomass and root morphological parameters of saline-alkaline tolerant cultivar GN under saline-alkaline *** number of root tips(RT),root surface area(RS)and root volume(RV)of AG were reduced by 61.16%,44.54%,and 45.31%,respectively,compared with control *** ratios of K^(+)/Na^(+),Ca^(2+)/Na^(+)and Mg^(2+)/Na^(+)of GN were significantly higher than those of AG(p<0.05).The root fresh weight(RFW)and dry weight(RDW),root length(RL),RV and RT of alfalfa were positively regulated by soil SOC and TN,but negatively regulated by soil pH,EC,and URE(p<0.01).Root Ca^(2+)/Na+ratio was significantly positively correlated with soil TN,TP and SOC(p<0.01).The absorption of Mg and Ca ions in roots is significantly negatively regulated by soilβ-glucosidase ac

关键词： Saline-alkaline stress alfalfa root traits soil environmental factors correlation analysis

Utilizing resequencing big data to facilitate Brassica vegetable breeding:tracing introgression pedigree and developing highly specific markers for clubroot resistance

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Horticultural Plant Journal 2024年第3期10卷 771-783页

作者： Zhiyong Ren Jinquan Li Xingyu Zhang Xingxu Li Junhong Zhang Zhibiao Ye Yuyang Zhang Qijun Nie Key Laboratory of Vegetable Ecological Cultivation on Highland Ministry of Agriculture and Rural AffairsHubei Key Laboratory of Vegetable Germplasm Enhancement and Genetic ImprovementInstitute of Economic CropsHubei Academy of Agricultural SciencesWuhanHubei 430063China National Key Laboratory for Germplasm Innovation and Utilization of Horticultural Crops Huazhong Agricultural UniversityWuhanHubei 430070China Vegetable Research institute Wuhan Academy of Agricultural SciencesWuhanHubei 430345China Hubei Hongshan Laboratory WuhanHubei 430070China Shenzhen institute of Nutrition and Health Huazhong Agricultural UniversityWuhanHubei 430070China Shenzhen Branch Guangdong Laboratory for Lingnan Modern AgricultureGenome Analysis Laboratory of the Ministry of AgricultureAgricultural Genomics Institute at ShenzhenChinese Academy of Agricultural SciencesShenzhenGuangdong 518000China

Clubroot caused by Plasmodiophora brassicae is a devastating disease of Cruciferous *** cultivars with clubroot resistance(CR)is the most effective control *** the two major Brassica vegetable species *** and ***,several commercial cultivars with unclear CR pedigrees have been intensively used as CR donors in ***,the continuous occurrence of CR-breaking makes the CR pedigree underlying these cultivars one of the breeders'most urgent *** complex intraspecific diversity of these two major Brassica vegetables has also limited the applicability of CR markers in different breeding *** we first traced the pedigree underlying two kinds of CR that have been widely applied in breeding by linkage and introgression analyses based on public resequencing *** ***,a major locus CRzi8 underlying the CR of the commercial CR donor‘DegaoCR117’was ***8 was further shown to have been introgressed from turnip(*** ***)and that it carried a potential functional allele of *** turnip introgression carried CRb^(c),sharing the same coding sequence with the CRb that was also identified from chromosome C07 of *** CR cultivars with different *** natural populations,variation analysis of linkage intervals of CRzi8,PbBa8.1,CRb,and CRb^(c)yielded easily resolved InDel markers(>20 bp)for these fundamental CR *** specificity of these markers was tested in diverse cultivars panels,and each exhibited high reliability in *** research demonstrates the value of the practice of applying resequencing big data to solve urgent concerns in breeding programs.

关键词： Brassica Clubroot resistance Resequencing Introgression analysis Molecular marker

Investigating the mechanisms of isochorismate synthase:An approach to improve salicylic acid synthesis and increase resistance to Fusarium head blight in wheat

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The Crop Journal 2024年第4期12卷 1054-1063页

作者： Ya-Zhou Zhang Jie Man Dan Xu Lan Wen Yinghui Li Mei Deng Qian-Tao Jiang Qiang Xu Guo-Yue Chen Yu-Ming Wei State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China Sichuan Agricultural UniversityChengdu 611130SichuanChina Triticeae Research institute Sichuan Agricultural UniversityChengdu 611130SichuanChina

Salicylic acid(SA),a vital endogenous hormone,plays a crucial role in plant growth and the response to abiotic and biotic *** synthase(ICS)and phenylalanine ammonia lyase(PAL)are critical rate-limiting enzymes for SA *** head blight(FHB)seriously threatens the safety of wheat production,but increasing the content of SA can enhance FHB ***,the pathway of SA synthesis and regulation in wheat remains *** this study,three wheat ICS(TaICSA,TaICSB,and TaICSD)were identified,and their functions were validated in vitro for isomerizing chorismate to *** mutation of one or two homoeoalleles of TaICSA,TaICSB,and TaICSD in the wheat variety‘Cadenza’reduced SA levels under ultraviolet treatment and Fusarium graminearum infection,further enhancing sensitivity to *** of TaICSA can significantly enhance SA levels and resistance to *** further study SA synthesis pathways in wheat and avoid interference with pathogenicity related genes,the leaves of wild-type Cadenza and different TaICS mutant lines were subjected to ultraviolet treatment for transcriptomic *** results showed that 37 PALs might be involved in endogenous SA synthesis,and 82 WRKY and MYB family transcription factors may regulate the expression of ICS and *** results were further confirmed by *** conclusion,this study expands our knowledge of SA biosynthesis and identifies TaICSA,as well as several additional candidate genes that encode transcription factors for regulating endogenous SA levels,as part of an efficient strategy for enhancing FHB resistance in wheat.

关键词： Salicylic acid Chorismate Isochorismate RNA-seq Phenylalamine ammonia lyase

Flavonoids from mulberry leaves inhibit fat production and improve fatty acid distribution in adipose tissue in finishing pigs

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Animal Nutrition 2024年第1期16卷 147-157页

作者： Yingying Liu Yinglin Peng Chen Chen Huibo Ren Ji Zhu Yuan Deng Qingming Cui Xionggui Hu Jianhua He Huali Li Xinghui Zhu Yulong Yin Jun He Yi Xiao College of Animal Science and Technology Hunan Agricultural University Hunan institute of Animal and Veterinary Science Key Laboratory of Conservation and Genetic Analysis of Local Pig Breed Germplasm Resources College of Information and Intelligence Hunan Agricultural University institute of Subtropical Agriculture Chinese Academy of Sciences

This study evaluated the effects of flavonoids from mulberry leaves (FML) on plasma biochemical indices,serum activities of lipid metabolism-related enzymes,fat morphology,fatty acid composition,and lipid metabolism in different adipose tissues of finishing *** used 120 Chinese hybrid barrows of Berkshire and Bama mini-pigs with an average initial body weight of 45.11±4.23 *** pigs were randomly assigned to five treatment groups and fed a control diet based on corn,soybean meal,and wheat bran or a control diet supplemented with 0.02%,0.04%,0.08%,or 0.16%*** experimental group had six replicates (pens),with four pigs per *** a 7-d adaptation period,the feeding trial was conducted for 58 *** and adipose tissue samples were collected from 30 pigs (one pig per pen)at the end of the *** results showed that FML supplementation significantly decreased the feed intake to body gain ratio,the plasma concentrations of total cholesterol and free fatty acids,and the serum activity of 3-hydroxy-3-methylglutaryl coenzyme A reductase (linear or quadratic effects,P<0.05),and decreased the plasma triglyceride concentration (quadratic,P=0.07).Increasing FML supplementation increased the average daily gain and serum activities of lipoprotein lipase (linear and quadratic effects,P<0.05) and adipose triglyceride lipase (linear,P<0.05).Dietary FML supplementation decreased the adipocyte area in the dorsal subcutaneous adipose (DSA) tissue of finishing pigs (linear,P=0.05) and increased the adipocyte area in the visceral adipose tissue (quadratic,P<0.01).Increasing FML supplementation decreased the C20:1 content in DSA,abdominal subcutaneous adipose,and visceral adipose tissues of finishing pigs (P<0.05) and increased the C18:3n3 and n-3 PUFA contents(P<0.05).The lipid metabolism genes were regulated by the PPARγ-LXRa-ABCA1 signaling pathway,and their expressions differed in different adipose *** findings suggest that FML improved growth performance,reg

关键词： Finishing pig Mulberry leaf Flavonoid Lipid metabolism Fatty acid Lard

Gga-miRNA-181-5p family facilitates chicken myogenesis via targeting TGFBR1 to block TGF-βsignaling

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Journal of Integrative Agriculture 2024年第8期23卷 2764-2777页

作者： Xiaoxu Shen Yongtong Tian Wentao He Can He Shunshun Han Yao Han Lu Xia Bo Tan Menggen Ma Houyang Kang Jie Yu Qing Zhu Huadong Yin Key Laboratory of Livestock and Poultry Multi-omics Ministry of Agriculture and Rural AffairsCollege of Animal Science and TechnologySichuan Agricultural UniversityChengdu 611130China Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province Sichuan Agricultural UniversityChengdu 611130China College of Forestry Sichuan Agricultural UniversityChengdu 611130China College of Resources Sichuan Agricultural UniversityChengdu 611130China Triticeae Research institute Sichuan Agricultural UniversityChengdu 611130China Key Laboratory for Animal Disease Resistance Nutrition of China Institute of Animal NutritionMinistry of Education/Sichuan Agricultural UniversityChengdu 611130China

MicroRNAs(miRNAs)have been demonstrated to control chicken skeletal muscle growth,however,the potential function of the miR-181-5p family in chicken myogenesis remains largely ***,our study identified the two chicken(Gallus gallus;Gga)miR-181-5p family members widely expressed in various tissues,specifically miR-181a-5p and ***,the breast muscles of fast-growing broilers expressed higher levels of miR-181a-5p and miR-181b-5p than those of slow-growing ***,miR-181a-5p and miR-181b-5p both promote the expression level of myogenic factors including myogenin(MyoG),myogenic differentiation 1(MyoD1),and myosin heavy chain(MyHC),meanwhile accelerating the myotube formation of skeletal muscle satellite cells(SMSCs).Mechanistically,miR-181a-5p and miR-181b-5p directly bind to the 3′untranslated region(UTR)of the transforming growth factor beta receptor 1(TGFBR1)mRNA,further reducing the expression of ***1 is a key Transforming growth factor beta(TGF-β)signaling transduction receptor and had a negative function in muscle cell ***,knockdown of TGFBR1 facilitated the expression of chicken myogenic factors,boosted myotube formation,and decreased the SMAD family member 2/3(SMAD2/3)phosphorylation in chicken ***2/3 are downstream of TGF-βsignaling,and miR-181a-5p and miR-181b-5p could reduce the expression of TGFBR1 to further diminish the SMAD2/3 *** findings revealed that the miR-181-5p family targets TGFBR1 to break the TGF-βsignaling transduction,which resulted in promoting chicken skeletal muscle development.

关键词： miRNA-181-5p family SMSCs differentiation TGFBR1 TGF-βsignaling

GmNF-YC4 delays soybean flowering and maturation by directly repressing GmFT2a and GmFT5a expression

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Journal of Integrative Plant Biology 2024年第7期66卷 1370-1384页

作者： Yupeng Cai Li Chen Xiaoqian Liu Weiwei Yao Wensheng Hou State Key Laboratory of Crop Gene Resources and Breeding Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China Ministry of Agriculture Key Laboratory of Soybean Biology(Beijing) Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China

Flowering time and growth period are key agronomic traits which directly affect soybean(Glycine max(L.)Merr.)adaptation to diverse latitudes and farming *** FLOWERING LOCUS T(FT)homologs GmFT2a and GmFT5a integrate multiple flowering regulation pathways and significantly advance flowering and maturity in *** the genes responsible for regulating GmFT2a and GmFT5a will improve our understanding of the molecular mechanisms governing growth period in *** this study,we identified the Nuclear Factor Y-C(NFY-C)protein GmNF-YC4 as a novel flowering suppressor in soybean under long-day(LD)***-YC4 delays flowering and maturation by directly repressing the expression of GmFT2a and *** addition,we found that a strong selective sweep event occurred in the chromosomal region harboring the GmNF-YC4 gene during soybean *** GmNF-YC4Hap3 allele was mainly found in wild soybean(Glycine soja Siebold&Zucc.)and has been eliminated from *** landraces and improved cultivars,which predominantly contain the GmNF-YC4Hap1 ***,the Gmnf-yc4 mutants displayed notably accelerated flowering and maturation under LD *** alleles may prove to be valuable genetic resources for enhancing soybean adaptability to higher latitudes.

关键词： CRISPR/Cas9 early flowering and maturity GmNF-YC4 regional adaptability soybean

A phenology-based vegetation index for improving ratoon rice mapping using harmonized Landsat and Sentinel-2 data

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Journal of Integrative Agriculture 2024年第4期23卷 1164-1178页

作者： Yunping Chen Jie Hu Zhiwen Cai Jingya Yang Wei Zhou Qiong Hu Cong Wang Liangzhi You Baodong Xu Macro Agriculture Research institute College of Plant Science and TechnologyHuazhong Agricultural UniversityWuhan 430070China College of Resources and Environment Huazhong Agricultural UniversityWuhan 430070China Key Laboratory of agricultural Remote Sensing Ministry of Agriculture and Rural Affairs/Institute of Agricultural Resources and Regional PlanningChinese Academy of Agricultural SciencesBeijing 100081China Key Laboratory for Geographical Process Analysis&Simulation of Hubei Province/College of Urban and Environmental Sciences Central China Normal UniversityWuhan 430079China International Food Policy Research institute NWWashingtonD.C.20005USA

Ratoon rice,which refers to a second harvest of rice obtained from the regenerated tillers originating from the stubble of the first harvested crop,plays an important role in both food security and agroecology while requiring minimal agricultural ***,accurately identifying ratoon rice crops is challenging due to the similarity of its spectral features with other rice cropping systems(e.g.,double rice).Moreover,images with a high spatiotemporal resolution are essential since ratoon rice is generally cultivated in fragmented croplands within regions that frequently exhibit cloudy and rainy *** this study,taking Qichun County in Hubei Province,China as an example,we developed a new phenology-based ratoon rice vegetation index(PRVI)for the purpose of ratoon rice mapping at a 30 m spatial resolution using a robust time series generated from Harmonized Landsat and Sentinel-2(HLS)*** PRVI that incorporated the red,near-infrared,and shortwave infrared 1 bands was developed based on the analysis of spectro-phenological separability and feature *** on actual field samples,the performance of the PRVI for ratoon rice mapping was carefully evaluated by comparing it to several vegetation indices,including normalized difference vegetation index(NDVI),enhanced vegetation index(EVI)and land surface water index(LSWI).The results suggested that the PRVI could sufficiently capture the specific characteristics of ratoon rice,leading to a favorable separability between ratoon rice and other land cover ***,the PRVI showed the best performance for identifying ratoon rice in the phenological phases characterized by grain filling and harvesting to tillering of the ratoon crop(GHS-TS2),indicating that only several images are required to obtain an accurate ratoon rice ***,the PRVI performed better than NDVI,EVI,LSWI and their combination at the GHS-TS2 stages,with producer's accuracy and user's accuracy of 92.22 and 89.30%,respectively

关键词： ratoon rice phenology-based ratoon rice vegetation index(PRVI) phenological phase feature selection Harmonized Landsat Sentinel-2 data

Peculiarity of transcriptional and H3K27me3 dynamics during peach bud dormancy

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Horticultural Plant Journal 2024年第1期10卷 38-50页

作者： Yalin Zhao Yong Li Ke Cao Weichao Fang Changwen Chen Xinwei Wang Jinlong Wu Wenwu Guo Lirong Wang The Key Laboratory of Biology and Genetic Improvement of Horticultural Crops(Fruit Tree Breeding Technology) Ministry of AgricultureZhengzhou Fruit Research InstituteChinese Academy of Agricultural SciencesZhengzhouHenan 450009China Western Research institute Chinese Academy of Agricultural SciencesChangjiXinjiang 831100China College of Horticulture and Forestry Science Huazhong Agricultural UniversityWuhanHubei 430070China

Bud dormancy facilitates the survival of meristems under harsh environmental *** elucidate how molecular responses to chilling accumulation controlling dormancy in peach buds,chromatin immunoprecipitation sequencing to identify the H3K27me3 modifications and RNA sequencing of two peach cultivars with pronounced differences in chilling requirement were carried out,the results showed that genes associated with abscisic acid and gibberellic acid signal pathways play key roles in dormancy *** results demonstrated that peach flower bud differentiation occurred continuously in both cultivars during chilling accumulation,which was correlated with the transcript abundance of key genes involved in phytohormone metabolism and flower bud development under adverse *** more increased strength in high chillingrequirement cultivar along with the chilling accumulation at the genome-wide *** function of the dormancy-associated MADS-box gene PpDAM6 was identified,which is involved in leaf bud break in peach and flower development in transgenic Nicotiana tabacum(NC89).In addition,PpDAM6 was positively regulated by PpCBF,and the genes of putative dormancy-related and associated with metabolic pathways were *** together,these results constituted a theoretical basis for elucidating the regulation of peach bud dormancy transition.

关键词： Peach bud Dormancy RNA-seq H3K27me3 Chilling requirement